Electrodeposition of platinum–nickel alloy nanocomposites on polyaniline-multiwalled carbon nanotubes for carbon monoxide redox |
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| Authors: | Guan-Ping Jin Xia Peng Yan-Feng Ding Wan-Qing Liu Jian-Ming Ye |
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| Institution: | (1) Anhui Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, School of Chemical Engineering, Hefei University of Technology, Hefei, 230009, People’s Republic of China;(2) Department of Application Chemistry of School of Chemical Engineering, Hefei University of Technology, Hefei, 230009, People’s Republic of China;(3) Hefei Huaqing Metal Surfacing Co., Ltd, Hefei, 230009, People’s Republic of China |
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| Abstract: | An electrochemical method was developed to deposit platinum (Pt)–nickel (Ni) alloy nanocomposites on polyaniline-multiwalled
carbon nanotubes (Pt–Ni/PAN/MWCNTs). The material was characterized by various methods including field emission scanning electron
microscope, X-ray diffraction, X-ray photoelectron spectroscopy, and electrochemical techniques. An appreciably improved catalysis
toward oxidation of carbon monoxide (CO) was observed at the Pt–Ni/PAN/MWCNTs nanocomposites (real ratio of Pt–Ni of 17:1),
which was interpreted by a mechanism based on the bifunctional catalysis. The successful preparation of Pt–Ni/PAN/MWCNTs nanocomposites
opens a new path to synthesize the promising catalysts for CO. |
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| Keywords: | Electrodeposition Platinum– nickel nanocomposites Multiwalled carbon nanotubes Carbon monoxide |
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